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examples/video-controller.py: Demo how to use the controller on videomixer.

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Original commit message from CVS:
* examples/video-controller.py:
Demo how to use the controller on videomixer.
This commit is contained in:
Stefan Kost 2008-01-31 19:57:26 +00:00
parent a50f4736b8
commit 98211a80e9
2 changed files with 49 additions and 0 deletions
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2008-01-31 Stefan Kost <ensonic@users.sf.net>
* examples/video-controller.py:
Demo how to use the controller on videomixer.
2008-01-31 Jan Schmidt <Jan.Schmidt@sun.com>
* gst/.cvsignore:

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examples/video-controller.py Normal file
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#!/usr/bin/env python
# -*- Mode: Python -*-
# vi:si:et:sw=4:sts=4:ts=4
# videomixer-controller.py
# (c) 2008 Stefan Kost <ensonic@users.sf.net>
# Test case for the GstController using videomixer and videotestsrc
import pygst
pygst.require('0.10')
import gst
import time
def main():
pipeline = gst.Pipeline("videocontroller")
src = gst.element_factory_make("videotestsrc", "src")
mix = gst.element_factory_make("videomixer", "mix")
conv = gst.element_factory_make("ffmpegcolorspace", "conv")
sink = gst.element_factory_make("autovideosink", "sink")
pipeline.add(src, mix, conv, sink)
spad = src.get_static_pad('src')
dpad = mix.get_request_pad('sink_%d')
spad.link(dpad)
mix.link(conv)
conv.link(sink)
control = gst.Controller(dpad, "xpos", "ypos")
control.set_interpolation_mode("xpos", gst.INTERPOLATE_LINEAR)
control.set_interpolation_mode("ypos", gst.INTERPOLATE_LINEAR)
control.set("xpos", 0, 0)
control.set("xpos", 5 * gst.SECOND, 200)
control.set("ypos", 0, 0)
control.set("ypos", 5 * gst.SECOND, 200)
pipeline.set_state(gst.STATE_PLAYING)
time.sleep(7)
if __name__ == "__main__":
main()